Table of Contents
- 1 What is the probability of rolling a 1 or a 5 on two dice?
- 2 What are the odds of rolling a 5 with 1 dice?
- 3 What’s the odds of rolling 5 of a kind with 5 dice?
- 4 What is the probability of rolling one six?
- 5 How many combinations of 5 dice are there?
- 6 What is the probability of rolling the sum of two dice?
- 7 What is the probability of rolling a 2 in blackjack?
What is the probability of rolling a 1 or a 5 on two dice?
Hence the probability that at least one shows a 1 or 5 is 1−(2/3)2=5/9.
What are the odds of rolling a 5 with 1 dice?
The number showing on each dice is independent of the number on the other dice. So when we’re doing an either/or question like this, we simply add the probabilities because effectively we have two chances to roll a 5. So 1/6 + 1/6 = 2/6 = 1/3.
What is the probability of rolling 1?
The probability of rolling at least one “1” if you roll a dice six times is the same as 1 minus the probability of rolling zero 1s if you roll a dice six times. The probability of not rolling a 1 if you roll a dice once is 5/6.
What is the probability of rolling a 1 or 2?
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The probability of rolling a 1 is 1/6, the probability of rolling a 2 is 1/6, and so on.
What’s the odds of rolling 5 of a kind with 5 dice?
1/7776
The probability of rolling five of a kind of any other number is also 1/7776. Since there are a total of six different numbers on a die, we multiply the above probability by 6. This means that the probability of a Yahtzee on the first roll is 6 x 1/7776 = 1/1296 = 0.08 percent.
What is the probability of rolling one six?
So to get a 6 when rolling a six-sided die, probability = 1 ÷ 6 = 0.167, or 16.7 percent chance. So to get two 6s when rolling two dice, probability = 1/6 × 1/6 = 1/36 = 1 ÷ 36 = 0.0278, or 2.78 percent.
What is the probability of rolling 1 and 1?
Probability of rolling more than a certain number (e.g. roll more than a 5).
| Roll more than a… | Probability |
|---|---|
| 1 | 5/6(83.33\%) |
| 2 | 4/6 (66.67\%) |
| 3 | 3/6 (50\%) |
| 4 | 4/6 (66.667\%) |
What is the probability of rolling a 6 on all five dice?
Each die is independent, so the probability of getting all sixes is simply (11/36)5.
How many combinations of 5 dice are there?
There are 7776 possible combinations for five dice.
What is the probability of rolling the sum of two dice?
The combinations for rolling a sum of seven are much greater (1 and 6, 2 and 5, 3 and 4, and so on). To find the probability that the sum of the two dice is three, we can divide the event frequency (2) by the size of the sample space (36), resulting in a probability of 1/18. 3. Two six-sided dice are rolled.
What is the final probability of a roll of the die?
For example, let’s say we have a regular die and y = 3. We want to rolled value to be either 6, 5, 4, or 3. The variable p is then 4 * 1/6 = 2/3, and the final probability is P = (2/3)ⁿ.
What is the probability of rolling a 15 on each side?
In other words, the probability P equals p to the power n, or P = pⁿ = (1/s)ⁿ. If we consider three 20 sided dice, the chance of rolling 15 on each of them is: P = (1/20)³ = 0.000125 (or P = 1.25·10⁻⁴ in scientific notation ).
What is the probability of rolling a 2 in blackjack?
Since there are six possible outcomes, the probability of obtaining any side of the die is 1/6. The probability of rolling a 1 is 1/6, the probability of rolling a 2 is 1/6 and so on for 3, 4, 5, and 6.